Home / 27,634.24-38,136.60-15,697.36

Finding the Fourth Proportional to 27,634.24, 38,136.60 and 15,697.36

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Solution

The fourth proportional to 27,634.24, 38,136.60 and 15,697.36 is: 21,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.24 : 38,136.60 = 15,697.36 : x
  2. Step 2: Convert to fraction form
    27,634.24/38,136.60 = 15,697.36/x
  3. Step 3: Cross multiply
    27,634.24x = 38,136.60 × 15,697.36
  4. Step 4: Simplify right side
    27,634.24x = 598,643,939.38
  5. Step 5: Solve for x
    x = 598,643,939.38/27,634.24
  6. Step 6: Final answer
    x = 21,663.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.